001
014
015 package com.liferay.util;
016
017 import com.liferay.portal.kernel.util.GetterUtil;
018
019 import java.util.Collections;
020 import java.util.HashMap;
021 import java.util.Map;
022
023 import javax.servlet.http.Cookie;
024 import javax.servlet.http.HttpServletRequest;
025
026
031 public class CookieUtil {
032
033 public static String get(HttpServletRequest request, String name) {
034 return get(request, name, true);
035 }
036
037 public static String get(
038 HttpServletRequest request, String name, boolean toUpperCase) {
039
040 Map<String, Cookie> cookieMap = _getCookieMap(request);
041
042 if (toUpperCase) {
043 name = name.toUpperCase();
044 }
045
046 Cookie cookie = cookieMap.get(name);
047
048 if (cookie == null) {
049 return null;
050 }
051 else {
052 return cookie.getValue();
053 }
054 }
055
056 private static Map<String, Cookie> _getCookieMap(
057 HttpServletRequest request) {
058
059 Map<String, Cookie> cookieMap =
060 (Map<String, Cookie>)request.getAttribute(
061 CookieUtil.class.getName());
062
063 if (cookieMap != null) {
064 return cookieMap;
065 }
066
067 Cookie[] cookies = request.getCookies();
068
069 if (cookies == null) {
070 cookieMap = Collections.emptyMap();
071 }
072 else {
073 cookieMap = new HashMap<String, Cookie>(cookies.length * 4 / 3);
074
075 for (Cookie cookie : cookies) {
076 String cookieName = GetterUtil.getString(cookie.getName());
077
078 cookieName = cookieName.toUpperCase();
079
080 cookieMap.put(cookieName, cookie);
081 }
082 }
083
084 request.setAttribute(CookieUtil.class.getName(), cookieMap);
085
086 return cookieMap;
087 }
088
089 }